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Title: Snake-shaped gold nanostructures from hydroxyethyl cellulose mediated synthesis
Authors: Shahitha, F. 
Hussain, J.
Valiyaveettil, S. 
Keywords: gold
hydroxyethyl cellulose
Issue Date: Oct-2010
Citation: Shahitha, F., Hussain, J., Valiyaveettil, S. (2010-10). Snake-shaped gold nanostructures from hydroxyethyl cellulose mediated synthesis. International Journal of Nanoscience 9 (5) : 431-437. ScholarBank@NUS Repository.
Abstract: Gold nanomaterials are becoming increasingly important in a variety of applications. The size and shape control in the chemical synthesis of nanostructures is particularly important due to their potential in sensing or imaging applications. Snake-shaped gold nanostructures have been synthesized using environmentally benign conditions. Hydroxyethyl cellulose (HEC) was used as a reducing and stabilizing agent for the synthesis of gold nanostructures from hydrogen tetrachloroaurate(III) trihydrate (HAuCl4) in water. The gold nanostructures showed snake-shaped particles with a head size from 30 to 50 nm and a tail length of 100 nm to 600 nm. The size of the nanostructure can be easily tailored by varying the concentrations of HAuCl4 and HEC. The UVVis spectroscopy studies showed that the gold nanostructures have a strong visible absorption in the range of 525535 nm. The particles were purple in color and stable for several months in solution without aggregation. © 2010 World Scientific Publishing Company.
Source Title: International Journal of Nanoscience
ISSN: 0219581X
DOI: 10.1142/S0219581X10007162
Appears in Collections:Staff Publications

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